1 //===-- X86AsmPrinter.h - X86 implementation of AsmPrinter ------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef X86ASMPRINTER_H
11 #define X86ASMPRINTER_H
14 #include "X86MachineFunctionInfo.h"
15 #include "X86TargetMachine.h"
16 #include "llvm/CodeGen/AsmPrinter.h"
17 #include "llvm/CodeGen/MachineModuleInfo.h"
18 #include "llvm/CodeGen/ValueTypes.h"
19 #include "llvm/CodeGen/StackMaps.h"
20 #include "llvm/Support/Compiler.h"
26 class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
27 const X86Subtarget *Subtarget;
30 // Parses operands of PATCHPOINT and STACKMAP to produce stack map Location
31 // structures. Returns a result location and an iterator to the operand
32 // immediately following the operands consumed.
34 // This method is implemented in X86MCInstLower.cpp.
35 static std::pair<StackMaps::Location, MachineInstr::const_mop_iterator>
36 stackmapOperandParser(MachineInstr::const_mop_iterator MOI,
37 MachineInstr::const_mop_iterator MOE,
38 const TargetMachine &TM);
41 explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
42 : AsmPrinter(TM, Streamer), SM(*this, stackmapOperandParser) {
43 Subtarget = &TM.getSubtarget<X86Subtarget>();
46 virtual const char *getPassName() const LLVM_OVERRIDE {
47 return "X86 Assembly / Object Emitter";
50 const X86Subtarget &getSubtarget() const { return *Subtarget; }
52 virtual void EmitStartOfAsmFile(Module &M) LLVM_OVERRIDE;
54 virtual void EmitEndOfAsmFile(Module &M) LLVM_OVERRIDE;
56 virtual void EmitInstruction(const MachineInstr *MI) LLVM_OVERRIDE;
58 void printSymbolOperand(const MachineOperand &MO, raw_ostream &O);
60 // These methods are used by the tablegen'erated instruction printer.
61 void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O,
62 const char *Modifier = 0, unsigned AsmVariant = 0);
63 void printPCRelImm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
65 bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O);
66 virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
67 unsigned AsmVariant, const char *ExtraCode,
68 raw_ostream &OS) LLVM_OVERRIDE;
69 virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
70 unsigned AsmVariant, const char *ExtraCode,
71 raw_ostream &OS) LLVM_OVERRIDE;
73 void printMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O,
74 const char *Modifier=NULL);
75 void printLeaMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O,
76 const char *Modifier=NULL);
78 void printIntelMemReference(const MachineInstr *MI, unsigned Op,
79 raw_ostream &O, const char *Modifier=NULL,
80 unsigned AsmVariant = 1);
82 virtual bool runOnMachineFunction(MachineFunction &F) LLVM_OVERRIDE;
85 } // end namespace llvm